
It's about twoandahalf times as heavy as The Heart of a Blue Whale.
In other words, the weight of The Heart of a Blue Whale is 0.430 times 0.50 tons.
(Balaenoptera musculus) (adult)(for a 2014 specimen) The heart of a blue whale weighs about 0.220 tons. These hearts pump an estimated 7,100 L (1,875 gal) of blood through the whale's massive body.
It's about twoandahalf times as heavy as a Reindeer.
In other words, 0.50 tons is 2.740 times the weight of a Reindeer, and the weight of a Reindeer is 0.3650 times that amount.
(for Rangifer tarandus granti, adult, bull) (a.k.a. Caribou) ()Rangifer tarandus)An adult, male reindeer weighs between 0.1820 tons. Reindeer undertake a lengthy annual migration, with some herds traveling up to 5,000 km. To all those observing, Merry Christmas from the Measure of Things.
It's about three times as heavy as a Panda Bear.
In other words, the weight of a Panda Bear is 0.330 times 0.50 tons.
(a.k.a. Giant Panda, Ailuropoda melanoleuca)(Adult, male)An adult, male Giant Panda weighs up to 0.170 tons. Despite having the digestive system of a carnivore, the panda eats only bamboo and must eat up to 0.0071 tons of it per day to compensate for the limited energy the plant provides.
It's about onefourth as heavy as a Car.
In other words, 0.50 tons is 0.27460 times the weight of a Car, and the weight of a Car is 3.6420 times that amount.
(for 2009 Ford Taurus; automatic transmission; curb weight)A 2009 Ford Taurus weighs 1.8210 tons. The first massproduced car, the Curved Dash Oldsmobile — introduced in 1901 — weighed just 0.42550 tons.
It's about onefourth as heavy as a Giraffe.
In other words, 0.50 tons is 0.2350 times the weight of a Giraffe, and the weight of a Giraffe is 4.260 times that amount.
(Giraffa camelopardalis reticulata) (adult, male, maximum of range)An adult, male giraffe can weigh up to 2.130 tons. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about onefifth as heavy as a Rhinoceros.
In other words, 0.50 tons is 0.220 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 4.50 times that amount.
(for Black rhinoceros, Diceros bicornis) (Adult, male)An adult black rhinoceros weighs between 2.30 tons. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about fiveandahalf times as heavy as a Kangaroo.
In other words, the weight of a Kangaroo is 0.190 times 0.50 tons.
(for red kangaroo, Macropus rufus) (adult, male)An adult, male red kangaroo weighs up to 0.094 tons. Fantastic jumpers, red kangaroos can leap horizontally 9 m (30 ft) and vertically 3 m (9 ft) in a single bound. 
